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Pentax K-x vs Sony HX90V

Portability
69
Imaging
52
Features
47
Overall
50
Pentax K-x front
 
Sony Cyber-shot DSC-HX90V front
Portability
91
Imaging
43
Features
63
Overall
51

Pentax K-x vs Sony HX90V Key Specs

Pentax K-x
(Full Review)
  • 12MP - APS-C Sensor
  • 2.7" Fixed Screen
  • ISO 100 - 6400 (Push to 12800)
  • Sensor based Image Stabilization
  • 1/6000s Maximum Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 580g - 123 x 92 x 68mm
  • Released December 2009
Sony HX90V
(Full Review)
  • 18MP - 1/2.3" Sensor
  • 3" Tilting Screen
  • ISO 80 - 12800
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 24-720mm (F3.5-6.4) lens
  • 245g - 102 x 58 x 36mm
  • Announced April 2015
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Pentax K-x vs Sony HX90V Overview

In this write-up, we will be reviewing the Pentax K-x versus Sony HX90V, one is a Entry-Level DSLR and the latter is a Small Sensor Superzoom by companies Pentax and Sony. There is a significant difference between the resolutions of the K-x (12MP) and HX90V (18MP) and the K-x (APS-C) and HX90V (1/2.3") enjoy different sensor size.

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The K-x was unveiled 6 years earlier than the HX90V which is quite a sizable gap as far as tech is concerned. The two cameras offer different body type with the Pentax K-x being a Compact SLR camera and the Sony HX90V being a Compact camera.

Before diving in to a more detailed comparison, below is a short summation of how the K-x matches up against the HX90V in relation to portability, imaging, features and an overall mark.

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Reasons to pick Pentax K-x over the Sony HX90V

 K-x HX90V 

Reasons to pick Sony HX90V over the Pentax K-x

 HX90V K-x 
AnnouncedApril 2015December 2009Newer by 64 months
Screen typeTiltingFixed Tilting screen
Screen sizing3"2.7"Bigger screen (+0.3")
Screen resolution921k230kCrisper screen (+691k dot)
Selfie screen Easy selfies

Common features in the Pentax K-x and Sony HX90V

 K-x HX90V 
Focus manually Dial exact focus
Touch screen Lacking Touch screen

Pentax K-x vs Sony HX90V Physical Comparison

For anybody who is looking to travel with your camera frequently, you'll need to consider its weight and volume. The Pentax K-x comes with outside dimensions of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") with a weight of 580 grams (1.28 lbs) and the Sony HX90V has sizing of 102mm x 58mm x 36mm (4.0" x 2.3" x 1.4") accompanied by a weight of 245 grams (0.54 lbs).

Check the Pentax K-x versus Sony HX90V in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an Interchangeable Lens Camera will change based on the lens you select at that time. Below is the front view measurement comparison of the K-x compared to the HX90V.

Pentax K-x vs Sony HX90V size comparison

Taking into account size and weight, the portability score of the K-x and HX90V is 69 and 91 respectively.

Pentax K-x vs Sony HX90V top view buttons comparison

Pentax K-x vs Sony HX90V Sensor Comparison

Usually, its difficult to visualize the contrast between sensor dimensions merely by reading specifications. The pic here should give you a greater sense of the sensor sizes in the K-x and HX90V.

Plainly, the 2 cameras offer different megapixel count and different sensor dimensions. The K-x using its bigger sensor is going to make achieving shallower depth of field simpler and the Sony HX90V will offer you more detail having an extra 6MP. Higher resolution will help you crop photographs a little more aggressively. The more aged K-x is going to be behind when it comes to sensor innovation.

Pentax K-x vs Sony HX90V sensor size comparison

Pentax K-x vs Sony HX90V Screen and ViewFinder

Pentax K-x vs Sony HX90V Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-x as a Portrait photography camera
Sony HX90V as a Portrait photography camera
63
has manual focus
sensor size is nice (APS-C)
provides face detection autofocus
delivers RAW formats
resolution not great (12MP)
45
focusing manually
decent megapixels (18 megapixels)
provides face detect autofocus
external flash not possible
tiny sensor size (1/2.3")
doesn't have RAW support
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Street Comparison

Pentax K-x Street photography factors
Sony HX90V Street photography factors
67
built in image stabilization (Sensor based)
sensor size is nice (APS-C)
delivers RAW formats
screen does not articulate
69
screen tilts up and down
image stabilization (Optical)
lighter than competitors (245g)
tiny sensor size (1/2.3")
doesn't have RAW support
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Sports Comparison

Pentax K-x as a Sports photography camera
Sony HX90V as a Sports photography camera
61
high shutter speed (1/6,000 seconds)
built in image stabilization (Sensor based)
sensor size is nice (APS-C)
great battery life (1,900 CIPA)
has phase detect autofocus
slow fps (5.0 frames per second)
resolution not great (12 megapixels)
57
amazing zoom range (24-720mm 30.0 x zoom)
image stabilization (Optical)
decent megapixels (18 megapixels)
provides tracking focus
good battery (360 shots)
tiny sensor size (1/2.3")
doesn't have phase detect autofocus
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Travel Comparison

Pentax K-x Travel photography highlights
Sony HX90V Travel photography highlights
54
great battery life (1,900 CIPA)
flash built-in
no Time Lapse mode
resolution not great (12 megapixels)
display is not selfie friendly
76
good battery (360 shots)
lighter than competitors (245g)
decent megapixels (18 megapixels)
built-in flash
display is selfie friendly
rather wide (24mm)
very long zoom (720mm)
missing Time Lapse mode
somewhat slow maximum aperture (f3.5)
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Landscape Comparison

Pentax K-x Landscape photography info
Sony HX90V Landscape photography info
61
has manual focus
switch lenses (Pentax KAF2 mount)
built in image stabilization (Sensor based)
sensor size is nice (APS-C)
delivers RAW formats
great battery life (1,900 shots)
screen is small (2.7")
resolution not great (12MP)
no Time Lapse mode
53
focusing manually
rather wide (24mm)
decent sized screen (3")
image stabilization (Optical)
decent megapixels (18MP)
good battery (360 CIPA)
fixed lens (fixed lens mount)
somewhat slow maximum aperture (f3.5)
tiny sensor size (1/2.3")
doesn't have RAW support
missing Time Lapse mode
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Vlogging Comparison

Pentax K-x Vlogging information
Sony HX90V Vlogging information
27
built in image stabilization (Sensor based)
provides face detection autofocus
display is not selfie friendly
video resolution low (1280 x 720 pixels)
no external mic support
75
rather wide (24mm)
display is selfie friendly
image stabilization (Optical)
provides face detect autofocus
great video quality (1920 x 1080 pxls)
lighter than competitors (245g)
somewhat slow maximum aperture (f3.5)
missing mic port
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Pentax K-x vs Sony HX90V Specifications

Detailed spec comparison table for Pentax K-x and Sony HX90V
 Pentax K-xSony Cyber-shot DSC-HX90V
General Information
Brand Pentax Sony
Model Pentax K-x Sony Cyber-shot DSC-HX90V
Class Entry-Level DSLR Small Sensor Superzoom
Released 2009-12-23 2015-04-14
Body design Compact SLR Compact
Sensor Information
Processor Chip Prime Bionz X
Sensor type CMOS BSI-CMOS
Sensor size APS-C 1/2.3"
Sensor dimensions 23.6 x 15.8mm 6.17 x 4.55mm
Sensor area 372.9mm² 28.1mm²
Sensor resolution 12MP 18MP
Anti aliasing filter
Aspect ratio 3:2 1:1, 4:3, 3:2 and 16:9
Full resolution 4288 x 2848 4896 x 3672
Max native ISO 6400 12800
Max boosted ISO 12800 -
Minimum native ISO 100 80
RAW support
Autofocusing
Manual focus
Touch focus
Continuous AF
Single AF
Tracking AF
Selective AF
Center weighted AF
AF multi area
AF live view
Face detection focusing
Contract detection focusing
Phase detection focusing
Number of focus points 11 -
Lens
Lens mounting type Pentax KAF2 fixed lens
Lens focal range - 24-720mm (30.0x)
Largest aperture - f/3.5-6.4
Macro focus range - 5cm
Total lenses 151 -
Crop factor 1.5 5.8
Screen
Screen type Fixed Type Tilting
Screen diagonal 2.7 inches 3 inches
Screen resolution 230k dot 921k dot
Selfie friendly
Liveview
Touch function
Screen technology TFT LCD monitor -
Viewfinder Information
Viewfinder Optical (pentamirror) Electronic
Viewfinder resolution - 638k dot
Viewfinder coverage 96 percent 100 percent
Viewfinder magnification 0.57x 0.5x
Features
Slowest shutter speed 30s 30s
Maximum shutter speed 1/6000s 1/2000s
Continuous shooting speed 5.0 frames/s 10.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Change WB
Image stabilization
Built-in flash
Flash range 16.00 m 5.40 m (with Auto ISO)
Flash modes Auto, On, Off, Red-Eye, Slow Sync, Rear curtain, Wireless Auto, flash on, slow sync, flash off, rear sync
External flash
Auto exposure bracketing
White balance bracketing
Maximum flash sync 1/180s -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1280 x 720 (24 fps), 640 x 416 (24 fps) 1920 x 1080 (60p, 60i, 30p, 24p), 1280 x 720 (30p)
Max video resolution 1280x720 1920x1080
Video data format Motion JPEG AVCHD, XAVC S
Mic jack
Headphone jack
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None BuiltIn
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 580g (1.28 pounds) 245g (0.54 pounds)
Dimensions 123 x 92 x 68mm (4.8" x 3.6" x 2.7") 102 x 58 x 36mm (4.0" x 2.3" x 1.4")
DXO scores
DXO All around score 72 not tested
DXO Color Depth score 22.8 not tested
DXO Dynamic range score 12.5 not tested
DXO Low light score 811 not tested
Other
Battery life 1900 images 360 images
Battery form Battery Pack Battery Pack
Battery model 4 x AA NP-BX1
Self timer Yes (2 or 12 sec) Yes
Time lapse recording
Type of storage SD/SDHC card SD/SDHC/SDXC, Memory Stick Duo
Storage slots One One
Launch price $600 $440